Each person on a team brings a unique perspective to the process; i.e., how things work; what happens when changes are made, and how to sustain improvements during daily work. Contributions are made from each individual's skill set and the team's synthesis of ideas.
Division of labor is the economic term for the practice of assigning small parts of a complicated job to individual workers who specialize in doing just their small part.
A small quantity is sometimes referred to as a quantulum. Multicultural sign of quantity, refers to the simplest way of accounting - by sticks. Three sticks - the initial indicator of multiplicity as the first odd prime number.